private static bool GetChunkSHA1(Superbundle.BundleInfo bundleInfo,
List <TableOfContentsFile> commonBundles,
Guid chunkId,
out SHA1 chunkSHA1)
{
if (bundleInfo.Chunks != null)
{
var chunkInfo = bundleInfo.Chunks.FirstOrDefault(ci => ci.Id == chunkId);
if (chunkInfo != null)
{
chunkSHA1 = chunkInfo.SHA1;
return(true);
}
}
var commonChunkInfo = commonBundles.SelectMany(cb => cb.Chunks)
.FirstOrDefault(ci => ci.Id == chunkId);
if (commonChunkInfo != null)
{
chunkSHA1 = commonChunkInfo.SHA1;
return(true);
}
chunkSHA1 = default(SHA1);
return(false);
}
private static bool ConvertTexture(Superbundle.BundleInfo bundleInfo,
Superbundle.ResourceInfo resourceInfo,
ICatalogEntryInfo entry,
string outputPath,
CatalogLookup catalogLookup,
List <TableOfContentsFile> commonBundles)
{
TextureHeader textureHeader;
using (var temp = new MemoryStream())
{
Extraction.Extract(resourceInfo, entry, temp);
temp.Position = 0;
textureHeader = TextureHeader.Read(temp);
if (temp.Position != temp.Length)
{
throw new FormatException();
}
}
if (textureHeader.Type != TextureType._2d)
{
return(false);
}
if (textureHeader.Unknown00 != 0 ||
textureHeader.Unknown04 != 0 ||
textureHeader.Unknown10 != 0 ||
textureHeader.Unknown14 != 0 ||
textureHeader.Unknown1C != 1)
{
throw new FormatException();
}
SHA1 chunkSHA1;
if (GetChunkSHA1(bundleInfo, commonBundles, textureHeader.DataChunkId, out chunkSHA1) == false)
{
throw new InvalidOperationException();
}
var dataEntry = catalogLookup.GetEntry(chunkSHA1, textureHeader.TotalSize);
byte[] dataBytes;
using (var temp = new MemoryStream())
{
Extraction.Extract(dataEntry, textureHeader.TotalSize, temp);
temp.Position = 0;
dataBytes = temp.GetBuffer();
}
DDSUtils.WriteFile(textureHeader, dataBytes, outputPath + ".dds");
return(true);
}